P2112critical severityPowertrain
Throttle Actuator Control System Stuck Closed
on 2012 Toyota Highlander 3.5L V6 · AWD
What this code means
The electronic throttle blade is stuck closed or not opening when commanded.
Symptoms
- No acceleration
- Engine stalls
- Check engine light
- Vehicle won't move
Common causes
- Seized throttle plate
- Motor failure
- Severe carbon buildup
- Ice/frost binding
Diagnostic steps
- Inspect throttle blade movement
- Clean throttle body
- Check motor operation
Repair notes
Clean or replace throttle body assembly.
Other Powertrain codes on this vehicle
P0001
Fuel Volume Regulator Control Circuit/Open
P0002
Fuel Volume Regulator Control Circuit Range/Performance
P0003
Fuel Volume Regulator Control Circuit Low
P0004
Fuel Volume Regulator Control Circuit High
P0010
Intake Camshaft Position Actuator Circuit/Open Bank 1
P0011
Intake Camshaft Position Timing Over-Advanced Bank 1
P0012
Intake Camshaft Position Timing Over-Retarded Bank 1
P0013
Exhaust Camshaft Position Actuator Circuit/Open Bank 1
P0014
Exhaust Camshaft Position Timing Over-Advanced Bank 1
P0015
Exhaust Camshaft Position Timing Over-Retarded Bank 1